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wease 12-10-2006 11:20 AM

Need a quick answer...canned light
Is it ok if a canned light (non insulated) is installed and is just barely touching a floor joist? Not sure if that's a major fire hazard or not.

mdshunk 12-10-2006 01:47 PM

Most can lights will have information right on the label inside as to the dimension that it needs to be from other framing material. This label is a UL requirement when clearance is needed. Lacking that labeling, no clearance is needed. Read every label and instruction for that can carefully to find out.

wease 12-10-2006 02:09 PM

Thanks for the info. I read the can and found nothing on it regarding clearance. I think I can situate the can about 1/8" off of the wood surface so I will go with that.

mdshunk 12-10-2006 04:59 PM

WAIT!!!!!!! I might have told you wrong. You need at lest 1/2" an inch if you have a non-IC fixture!

Here's the quote from the UL Marking Guide:

"c. Luminaires Requiring Minimum Spacing from Thermal Insulation and Combustibles (Type
Non-IC) -— luminaires that are NOT marked “TYPE IC,” “INHERENTLY PROTECTED,” are
referred to as Type Non-IC Recessed luminaires. The luminaires are intended to be installed
where minimum spacings are maintained between the luminaire and combustibles, side walls,
and overhead building members, and may be identified by the spacing-to-thermalinsulation
marking as specified in Note 63. There are different purposes for the spacings. The minimum
spacing to combustibles reduces the risk of the luminaire heat igniting combustibles. This
spacing is always a minimum of inch, unless the luminaire is marked: “INSTALL WITH
____ mm (___in.).; (b) TOP OF LUMINAIRE-TO-OVERHEAD BUILDING MEMBER: ____ mm
(in); and (c) LUMINAIRE CENTER-TO-SIDE BUILDING MEMBER: ____ mm (in.). “ The blank
spaces will be replaced by the minimum distances required."

wease 12-11-2006 07:09 AM

Ok. Can I install an IC type closer to the joist?

KUIPORNG 12-11-2006 09:54 AM

I suppose you could. as IC canned can touch insulation materials... why not touching the joists... If it were me, I would try to find other non-IC but shorter or smaller can to make it fitted though. as IC canned costs more ... if you have a lot to is not a good reason for using it to avoid touching the joists... there should be a size which you can use to fit...

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